Lenovo 4Y37A09719 · 810-4P NVMe

MPN / P/N

4Y37A09719

Reference-part status

Reference part: the code is listed under Legacy/EOL or Withdrawn documentation. For installed-equipment replacement research; confirm exact current lifecycle and availability.

Manufacturer model

810-4P NVMe

Adapter type

NVMe switch

Internal or External ports

Internal

Feature code

B2U3

Form factor

PCIe low profile

Controller chip

Broadcom PEX9733

Vendor equivalent

P310W-4P

Host interface

PCIe 3.0 x8

Port interface

PCIe NVMe

Number of ports

4

Port connectors

Four Mini-SAS HD x4 (SFF-8643)

Drive interface

NVMe

Drive type

SSD

Hot-swap drives

Yes

Max physical drives

4

RAID levels

None

JBOD mode

Yes

Cache

None

Cache protection with Flash and Supercap

No

Performance Accelerator (FastPath)

No

SSD Caching (CacheCade Pro 2.0)

No

SED support (see Note 2)

No

Remote management - Controller FW update (XCC/BMC) (see Note 5)

Yes

Remote management - Inventory (XCC/BMC) (see Note 5)

Yes

Manufacturer lifecycle

Withdrawn (live Lenovo Press reference, checked 2026-10-19)

Manufacturer withdrawal date

2025-01-18

Documented selection limits

Use only the approved ThinkSystem server, slot/riser, backplane and correct cable/firmware configuration. Port count, direct physical-drive limit and expander-qualified drive limit are separate source fields. HBA passthrough is not hardware RAID. Flash/supercap support does not imply an optional module is supplied; consult the exact option guide. NVMe U.3 Tri-Mode x1 and NVMe-only U.2 x4 configurations are different and not simultaneous universal support; feature codes/CH5Z enablement and host cabling must be verified for RAID 940. Planned U.2 support stays planned, not a delivered feature. SED support on HBAs is host-software pass-through, not a bundled encryption/key-management service. Remote management exclusions and blade drive-count limits in sourceQualifications apply. Withdrawn hardware is recorded for installed-equipment reference/replacement, not current production or stock availability.

Manufacturer qualifications — required for selection

Note 1: RAID 730-8i 1GB is available world-wide except USA and Canada Note 2: SAS HBAs support SEDs by host software passing SED commands through the HBA to the drives. Note 3: SN550 blade 4i adapters are limited to two drives and RAID 0/1; SN850 has four drives and applicable RAID modes depend on the exact adapter. Note 5: SR635/SR655/SR645/SR665 with second-generation AMD EPYC (Rome) processors do not support remote management.

Specification source: Lenovo ↗
Checked against documentation: 19.10.2026